Latest Astronomy stories on ABC Online

In a family reunion like no other, astronomers reunite our sun with her long lost sibling. Dr Graham Phillips meets the new relative and explores its similarities with our sun. Could it even have planets, like our solar system, and be another home for life? ...

Astronomers have discovered a supermassive black hole from the early days of the Universe. It's 12 billion times the mass of our Sun. Scientists say it's eaten its way through its galaxy in a manner that challenges our understanding of black holes....